platinum

Platinum scattered around the Earth: From the asteroid that nearly destroyed humanity?
The anomalous platinum trace in North America has just reinforced the existence of a cosmic object believed to have caused the last ice age and the tragedy of extinction.
The most expensive materials in the world
Below is a list of the most expensive materials in the world, please consult.
The most rare metals on the planet
Gold and diamonds are commonly known as rare and expensive metals in the world. But few know that there are other rare and more expensive metals because of their special use.
19 most expensive substances on the planet
We often think that gold and diamonds are the most expensive things. But not so, there are many precious and expensive materials on the earth, thousands of times more expensive
Unexpected uses of metals and gems
Metals and gemstones are beyond value and common uses can also be used for many other unexpected purposes.
The billion-dollar asteroid is about to fly across the earth
According to scientists, a $ 5.4 trillion worth of a minor asteroid will fly across the earth on July 19.
American private company takes spacecraft to the Moon
According to Fox News, the private space company Moon Express will launch the small MX-1 spacecraft to the lunar surface in 2015.